On Wed, 2 Apr 2008, Lee Schermerhorn wrote:
> > > .I mapped=<pages>
> > > -Number of mapped pages for file backed files. Only shown if different from the count of anonymous and dirty pages.
> > > +Number of non-dirty, non-anonymous mapped pages for file backed memory areas.
> >
> > This is really the number of mapped pages. dirty pages etc are included if
> > they are mapped.
>
> Ah. OK. I misread the replaced text. So, 'mapped' is displayed only
> if there are any clean, file-backed pages mapped? And it includes any
> dirty and anon pages?
mapped is displayed if the number of mapped pages deviates from anonymous
or dirty pages. Typically all pages are either anonymous or dirty.
mm/mempolicy.c:
if (md->pages != md->anon && md->pages != md->dirty)
seq_printf(m, " mapped=%lu", md->pages);
> Does 'dirty' include dirty anon? Might be worth clarifying that, as
> well.
Yes.
>
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